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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Uma investiga??o hist?rica sobre os logaritmos com sugest?es did?ticas para a sala de aula

Soares, Evanildo Costa 26 January 2011 (has links)
Made available in DSpace on 2014-12-17T15:04:55Z (GMT). No. of bitstreams: 1 EvanildoCS_DISSERT.pdf: 4008350 bytes, checksum: a09ec3a04d9cb441136d31950789a8a2 (MD5) Previous issue date: 2011-01-26 / This study was conducted from a preliminary research to identify the conceptual and didactic approach to the logarithms given in the main textbooks adopted by the Mathematics teachers in state schools in the School of Natal, in Rio Grande do Norte. I carried out an historical investigation of the logarithms in order to reorient the math teacher to improve its educational approach this subject in the classroom. Based on the research approach I adopted a model of the log based on three concepts: the arithmetic, the geometric and algebraic-functional. The main objective of this work is to redirect the teacher for a broad and significant understanding of the content in order to overcome their difficulties in the classroom and thus realize an education that can reach the students learning. The investigative study indicated the possibility of addressing the logarithms in the classroom so transversalizante and interdisciplinary. In this regard, I point to some practical applications of this matter are fundamental in the study of natural phenomena as earthquakes, population growth, among others. These practical applications are connected, approximately, Basic Problematization Units (BPUs) to be used in the classroom. In closing, I offer some activities that helped teachers to understand and clarify the meaningful study of this topic in their teaching practice / Este trabalho foi realizado a partir de uma pesquisa preliminar, visando identificar a abordagem conceitual e did?tica dada aos logaritmos nos principais livros did?ticos de Matem?tica adotados pelos os professores nas escolas estaduais do Ensino M?dio do Munic?pio de Natal, no Estado do Rio Grande do Norte. Realizei uma investiga??o hist?rica sobre os logaritmos com a finalidade de reorientar o professor de matem?tica na amplia??o da sua abordagem did?tica desse assunto em sala de aula. Com base na investiga??o adotei um modelo de abordagem dos logaritmos centrado em tr?s concep??es: O aritm?tico, o geom?trico e o alg?brico-funcional. O objetivo principal deste trabalho ? redirecionar o professor para uma compreens?o ampla e significativa desse conte?do, de modo a superar suas dificuldades enfrentadas em sala de aula e, assim, realize um ensino que possa alcan?ar o aprendizado dos alunos. O estudo investigativo apontou a possibilidade de se abordar os logaritmos em sala de aula de forma transversalizante e interdisciplinar. A esse respeito, aponto como algumas aplica??es pr?ticas desse assunto s?o fundamentais no estudo de fen?menos naturais como terremotos, crescimento populacional, dentre outros. Essas aplica??es pr?ticas est?o conectadas, de forma aproximada, ?s Unidades B?sicas de Problematiza??o (UBPs) a serem usadas em sala de aula. Ao finalizar, proponho algumas atividades que ajudaram o professor a compreender e esclarecer o estudo significativo desse t?pico na sua pr?tica docente

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